KINGERSONS - Your Traders Hill Browse online pages for buying for hvac contracting companies equipment repair, maintainence and installation. Manuals and submittals sheets on central heat and air we sell at split heating and air conditioning units (ductless type) delivered straight to your doorstep. Typical delivery time from distribution warehouse is 1-5 business days depending upon products ordered, quantity and location of the shipping address. window heating and air conditioning units